Search the collections at the Center for Jewish History
Foundation for the Advancement of Sephardic Studies and Culture (Scroll past extraneous material at beginning)
Searchable and browseable lists include:
Jewish Heritage Europe – Bulgaria. A guide to Jewish heritage sites in Bulgaria.
Jewish Virtual Library – Bulgaria. A thorough history of Jews in Bulgaria.
JewishGen Kehilalinks – Bulgaria. A website commemorating places where Jews have lived in Bulgaria, primarily Sofia and Plovdiv, with information, pictures, and links to other sources providing data about Jewish Bulgaria.
Sephardicgen – Bulgaria. A compendium of information, resources, and references relating to Sephardic history and genealogy, including a number of databases and links to websites pertaining to Sephardim in Bulgaria. Searching the site for “Bulgaria” yields about 1,250 links.